Remove ui::GetImageScale

chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
 
 #import <QuartzCore/QuartzCore.h>
 
 #include <cmath>
 #include <limits>
@@ skipping 131 matching lines @@
 // Creates an NSImage with size |size| and bitmap image representations for both
 // 1x and 2x scale factors. |drawingHandler| is called once for every scale
 // factor.  This is similar to -[NSImage imageWithSize:flipped:drawingHandler:],
 // but this function always evaluates drawingHandler eagerly, and it works on
 // 10.6 and 10.7.
 NSImage* CreateImageWithSize(NSSize size,
                              void (^drawingHandler)(NSSize)) {
   base::scoped_nsobject<NSImage> result([[NSImage alloc] initWithSize:size]);
   [NSGraphicsContext saveGraphicsState];
   for (ui::ScaleFactor scale_factor : ui::GetSupportedScaleFactors()) {
-    float scale = GetImageScale(scale_factor);
+    float scale = GetScaleForScaleFactor(scale_factor);
     NSBitmapImageRep *bmpImageRep = [[[NSBitmapImageRep alloc]
         initWithBitmapDataPlanes:NULL
                       pixelsWide:size.width * scale
                       pixelsHigh:size.height * scale
                    bitsPerSample:8
                  samplesPerPixel:4
                         hasAlpha:YES
                         isPlanar:NO
                   colorSpaceName:NSDeviceRGBColorSpace
                      bytesPerRow:0
@@ skipping 2066 matching lines @@
 NSView* GetSheetParentViewForWebContents(WebContents* web_contents) {
   // View hierarchy of the contents view:
   // NSView  -- switchView, same for all tabs
   // +- NSView  -- TabContentsController's view
   //    +- TabContentsViewCocoa
   //
   // Changing it? Do not forget to modify
   // -[TabStripController swapInTabAtIndex:] too.
   return [web_contents->GetNativeView() superview];
 }